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How can I reset firmware password Mac Air 1,1?

I have accidentally selected network bootup from system preferences and I cannot start Mac OS anymore. My macbook is firmware locked with a forgotten password. I cannot remove/add the system memory, as it is integrated into the mba and neither can i use startup shortcuts (ex: cmd+c). if i just turn on the macbook a folder with a question mark blinks alternatively with an earth sketch. I only have a bootable Mac OS USB Stick and another macbook running M. Lion. The mac is on by half an hour now and it does not automatically switch to hdd boot. Please, help!

MacBook Air, OS X Mountain Lion (10.8.2)

Posted on Jan 21, 2013 9:46 AM

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4 replies

Feb 11, 2015 12:07 AM in response to KdubbG

I actually wiped my MBAir SSD set a firmware password and then rebooted which results in a blinking folder icon and question mark at boot. If I hold the ALT key during boot I get the option to enter a password but I can't remember what it is to save my life! How would they be able to network boot it when the firmware password is specifically designed to keep you from booting any other device besides the target disk set in the firmware/EFI ?


Apple Technicians: I am about 300 miles from the nearest Apple store, that being said I have a copy of Apple Service Toolkit. AST OS 12 contains a special NetBoot disk image installer with a bare bones 10.8.4 with TestMarshal. In addition to Apple Service Diagnostics 3S155 software. Is this the same software that Apple would use if I drove 300 miles just to SEE if they could fix it and then have to drive back after they work on it?

How can I reset firmware password Mac Air 1,1?

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